Rivers Flashcards
What is a drainage basin?
An area of land where rain collects and runs into a main river
Where does a river start?
The source
Where does a river end?
The mouth
What is a small stream?
Tributary
What is the point where two rivers meet?
Confluence
What is a rivers long profile?
Shows how a river changes from source to mouth. It is concave in shape and its gradient decreases as it moves from upland to lowland
What is a rivers cross profile?
The cross sectional shape of the channel or valley - including width/depth
The cross profile of the channel in the upper course is…
Narrow and shallow
The cross profile of the valley in the upper course is…
Narrow, steep and v shaped
The cross profile of the channel in the lower course is…
Wide and deep
The cross profile of the valley in the lower course is…
Wide and flat with a flood plain
The river flows fastest in which course?
Lower course
Erosion is dominant in which course?
Upper course
Deposition is dominant in which course?
Lower course
